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330 lines (296 loc) · 8.68 KB
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Copy pathobject.cpp
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330 lines (296 loc) · 8.68 KB
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#include <json/object.h>
json::object::object()
: _value(nullptr), _map(std::map<std::string, object>()),
_array(std::vector<object>()), _type(type()) {
return;
}
json::object::object(all_values data) {
if (data.index() == 0)
*this = std::get<std::nullptr_t>(data);
else if (data.index() == 1)
*this = std::get<bool>(data);
else if (data.index() == 2)
*this = std::get<long long int>(data);
else if (data.index() == 3)
*this = std::get<double>(data);
else if (data.index() == 4)
*this = std::get<std::string>(data).c_str();
else if (data.index() == 5)
*this = std::get<std::vector<object>>(data);
else if (data.index() == 6)
*this = std::get<std::map<std::string, object>>(data);
else
logger::error("Invalid data type passed",
"json::object::object(all_values data)");
return;
}
json::object::~object() { return; }
// Equal to operators ---------------------------------
json::object &json::object::operator=(std::nullptr_t data) {
this->_value = data;
this->_type.set(type::null);
this->clearArray();
this->clearMap();
return *this;
}
json::object &json::object::operator=(bool data) {
this->_value = data;
this->_type.set(type::boolean);
this->clearArray();
this->clearMap();
return *this;
}
json::object &json::object::operator=(int data) {
this->_value = static_cast<long long int>(data);
this->_type.set(type::integer);
this->clearArray();
this->clearMap();
return *this;
}
json::object &json::object::operator=(long long int data) {
this->_value = data;
this->_type.set(type::integer);
this->clearArray();
this->clearMap();
return *this;
}
json::object &json::object::operator=(double data) {
this->_value = data;
this->_type.set(type::number);
this->clearArray();
this->clearMap();
return *this;
}
json::object &json::object::operator=(const char *data) {
this->_value = data;
this->_type.set(type::string);
this->clearArray();
this->clearMap();
return *this;
}
json::object &json::object::operator=(std::vector<object> data) {
this->_array = data;
this->_type.set(type::array);
this->clearVariant();
this->clearMap();
return *this;
}
json::object &json::object::operator=(std::map<std::string, object> data) {
this->_map = data;
this->_type.set(type::map);
this->clearVariant();
this->clearMap();
return *this;
}
// Array operators ------------------------------------
json::object &json::object::operator[](const size_t index) {
this->assertIsArray();
if (index >= this->_array.size()) {
logger::error("Index out of range",
"json::object &json::object::operator[](const size_t index)");
}
return this->_array[index];
}
const json::object &json::object::operator[](const size_t index) const {
if (!this->_type.get() == type::array) {
logger::error("This object is not an array",
"const json::object &json::object::operator[](const size_t "
"index) const");
}
if (index >= this->_array.size()) {
logger::error("Index out of range",
"const json::object &json::object::operator[](const size_t "
"index) const");
}
return this->_array.at(index);
}
void json::object::push_back(all_values data) {
this->assertIsArray();
object *newObject = new object(data);
this->_array.push_back(*newObject);
return;
}
void json::object::push_back(object data) {
this->assertIsArray();
this->_array.push_back(data);
return;
}
// Map operators --------------------------------------
json::object &json::object::operator[](const std::string &key) {
if (!this->_type.get() == type::map) {
logger::error(
"This object is not an object",
"json::object &json::object::operator[](const std::string &key)");
}
this->_type.set(type::map);
return this->_map[key];
}
const json::object &json::object::operator[](const std::string &key) const {
if (this->_type.get() != type::map) {
logger::error("This object is not an object",
"const json::object &json::object::operator[](const "
"std::string &key) const");
}
return this->_map.at(key);
}
void json::object::insert(const std::string key, all_values data) {
this->assertIsMap();
object *newObject = new object(data);
this->_map[key] = *newObject;
return;
}
// Array and Map operators ----------------------------
size_t json::object::size() {
if (this->_type.get() == type::array) {
return this->_array.size();
} else if (this->_type.get() == type::map) {
return this->_map.size();
} else {
logger::error("Cannot get size of non-[array, map] objects",
"size_t json::object::size()");
}
return -1;
}
void json::object::clear() {
if (this->_type.get() == type::array) {
this->_array.clear();
} else if (this->_type.get() == type::map) {
this->_map.clear();
} else {
logger::error("Cannot clear non-[array, map] objects",
"void json::object::clear()");
}
return;
}
// object operators -----------------------------------
void json::object::reset() {
this->clearVariant();
this->clearArray();
this->clearMap();
this->_type.set(type::undefined);
return;
}
void json::object::dump(std::string path, size_t indent) {
std::ofstream jsonFile(path);
if (!jsonFile.is_open()) {
logger::error("Unable to open " + path,
"void json::object::dump(std::string path, size_t indent)");
}
std::string stringified = this->dumps(indent);
jsonFile.write(stringified.c_str(), stringified.size());
jsonFile.close();
return;
}
std::string json::object::dumps(size_t indent, size_t baseIndent) {
if (this->_type.get() == type::undefined) {
return "undefined";
} else if (this->_type.get() == type::null) {
return "null";
} else if (this->_type.get() == type::boolean) {
bool val = std::get<bool>(this->_value);
if (val)
return "true";
else
return "false";
} else if (this->_type.get() == type::integer) {
return std::to_string(std::get<long long int>(this->_value));
} else if (this->_type.get() == type::number) {
return std::to_string(std::get<double>(this->_value));
} else if (this->_type.get() == type::string) {
return "\"" + std::get<std::string>(this->_value) + "\"";
}
size_t _size = this->size();
std::string result;
int newBaseIndent = indent + baseIndent;
if (this->_type.get() == type::array) {
result += "[";
if (_size == 0) {
result += "]";
return result;
}
if (indent > 0)
result += "\n";
for (size_t i = 0; i < _size; i++) {
result += std::string(newBaseIndent, ' ');
result += this->_array[i].dumps(indent, newBaseIndent);
if (i + 1 != _size)
result += ",";
if (indent > 0)
result += "\n";
else if (i + 1 != _size)
result += " ";
}
result += std::string(baseIndent, ' ') + "]";
} else {
result += "{";
if (_size == 0) {
result += "}";
return result;
}
if (indent > 0)
result += "\n";
for (auto it = this->_map.begin(); it != this->_map.end(); it++) {
result += std::string(newBaseIndent, ' ');
result += "\"" + it->first + "\": ";
result += it->second.dumps(indent, newBaseIndent);
if (std::next(it) != this->_map.end())
result += ",";
if (indent > 0)
result += "\n";
else if (std::next(it) != this->_map.end())
result += " ";
}
result += std::string(baseIndent, ' ') + "}";
}
return result;
}
// Output functions -----------------------------------
void json::object::clearVariant() {
this->_value = {};
return;
}
void json::object::clearArray() {
this->_array.clear();
return;
}
void json::object::setArrayIfUndefined() {
if (this->_type.get() == type::undefined) {
this->clearVariant();
this->clearMap();
this->_type.set(type::array);
}
return;
}
void json::object::assertIsArray() {
this->setArrayIfUndefined();
if (this->_type.get() != type::array) {
logger::error("This object is not an array",
"void json::object::assertIsArray()");
}
}
void json::object::clearMap() {
this->_map.clear();
return;
}
void json::object::setMapIfUndefined() {
if (this->_type.get() == type::undefined) {
this->clearVariant();
this->clearArray();
this->_type.set(type::map);
}
return;
}
void json::object::assertIsMap() {
this->setMapIfUndefined();
if (!this->_type.get() == type::map) {
logger::error("This object is not an object",
"void json::object::assertIsMap()");
}
}
// Friend functions -----------------------------------
namespace json {
std::ostream &operator<<(std::ostream &os, object &obj) {
os << obj.dumps(2);
return os;
}
} // namespace json